Part B Immediately before hitting the water, is the magnitude of the rock's acceleration greater than \( g \), equal to \( g \), less than \( g \), or 0 ? Explain. Match the words in the left column to the appropriate blanks in the sentences on the right. greater than \( g \) The magnitude of the rock's acceleration is because equal to \( g \) less than \( g \) 0 no force acts on the rock the rock was thrown with an extra force the rock is in free-fall the speed of the rock starts to decrease